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recursive trait impls

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Ponj 2024-07-03 22:57:27 +02:00
parent f688dbe225
commit a1e2111e6d
Signed by: p6nj
GPG key ID: CEAB625B75A836B2
1 changed files with 25 additions and 48 deletions
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73
bingus/src/lib.rs
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@ -1,66 +1,43 @@
use dasp_sample::{FromSample, Sample, U24, U48};
pub trait AsSample<S>
pub trait AsSample<F>
where
S: Sample,
Self: Sized,
{
fn as_sample(self) -> S;
}
impl<S> AsSample<S> for u8
where
S: Sample + FromSample<u8>,
{
fn as_sample(self) -> S {
self.to_sample()
fn _prepare(self) -> F;
fn as_sample<S: Sample + FromSample<F>>(self) -> S {
Sample::from_sample(self._prepare())
}
}
impl<S> AsSample<S> for [u8; 2]
where
S: Sample + FromSample<u16>,
{
fn as_sample(self) -> S {
(((self[0] as u16) << 8) | self[1] as u16).to_sample()
impl AsSample<u8> for u8 {
fn _prepare(self) -> u8 {
self
}
}
impl<S> AsSample<S> for [u8; 3]
where
S: Sample + FromSample<U24>,
{
fn as_sample(self) -> S {
(((U24::from(self[0])) << 16.into())
| (U24::from(self[1]) << 8.into())
| U24::from(self[2]))
.to_sample()
impl AsSample<u16> for [u8; 2] {
fn _prepare(self) -> u16 {
((self[0]._prepare() as u16) << 8) | self[1] as u16
}
}
impl<S> AsSample<S> for [u8; 4]
where
S: Sample + FromSample<u32>,
{
fn as_sample(self) -> S {
(((self[0] as u32) << 24)
| ((self[1] as u32) << 16)
| ((self[2] as u32) << 8)
| self[3] as u32)
.to_sample()
impl AsSample<U24> for [u8; 3] {
fn _prepare(self) -> U24 {
(U24::from([self[0], self[1]]._prepare()) << 8.into()) | U24::from(self[2])
}
}
impl<S> AsSample<S> for [u8; 6]
where
S: Sample + FromSample<U48>,
{
fn as_sample(self) -> S {
((U48::from(self[0]) << 40u8.into())
| (U48::from(self[1]) << 32u8.into())
| (U48::from(self[2]) << 24u8.into())
| (U48::from(self[3]) << 16u8.into())
| (U48::from(self[4]) << 8u8.into())
| U48::from(self[3]))
.to_sample()
impl AsSample<u32> for [u8; 4] {
fn _prepare(self) -> u32 {
(([self[0], self[1], self[2]]._prepare().inner() as u32) << 8) | self[3] as u32
}
}
impl AsSample<U48> for [u8; 6] {
fn _prepare(self) -> U48 {
((U48::from([self[0], self[1], self[2], self[3]]._prepare()) << 16u8.into())
| (U48::from(self[4]) << 8u8.into()))
| U48::from(self[5])
}
}